CN221281789U - Tearing-resistant bending-resistant photovoltaic cable - Google Patents
Tearing-resistant bending-resistant photovoltaic cable Download PDFInfo
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- CN221281789U CN221281789U CN202322538791.0U CN202322538791U CN221281789U CN 221281789 U CN221281789 U CN 221281789U CN 202322538791 U CN202322538791 U CN 202322538791U CN 221281789 U CN221281789 U CN 221281789U
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- 238000005452 bending Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 229920000098 polyolefin Polymers 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000004952 Polyamide Substances 0.000 claims description 8
- 229920002647 polyamide Polymers 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920000271 Kevlar® Polymers 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000004761 kevlar Substances 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- 238000009954 braiding Methods 0.000 abstract description 20
- 230000032683 aging Effects 0.000 abstract description 9
- 239000002131 composite material Substances 0.000 abstract description 8
- 239000012764 mineral filler Substances 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 79
- 230000000694 effects Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a tearing-resistant and bending-resistant photovoltaic cable, which comprises a cable core and a composite sheath arranged outside the cable core, wherein the cable core comprises four insulating wire cores, an anti-bending filling core arranged in the center of the four wire cores, and a mineral filler layer filled and wrapped outside the four insulating wire cores, the insulating wire cores comprise conductors, a shielding layer and an insulating layer which are extruded outside the conductors, and the composite sheath comprises an inner liner layer, a compression-resistant steel tape armor layer, a metal braiding layer, a wear-resistant layer, a tensile layer, a fiber braiding layer and an outer sheath layer which are sequentially wrapped outside the mineral filler layer from inside to outside. Aiming at solving the problems of poor tearing and bending resistance, potential safety hazard and the like of the cable in the prior art, the utility model has the advantages of improving the tearing and bending resistance of the cable, along with better ageing resistance and the like.
Description
Technical Field
The utility model relates to the technical field of photovoltaic cables, in particular to a tearing-resistant and bending-resistant photovoltaic cable.
Background
Along with the rapid development of solar technology, solar energy is increasingly widely applied in China, photovoltaic cables are also increasingly widely applied, and various specifications of the photovoltaic cables are also increasingly high.
However, when the existing photovoltaic cable is bent and twisted by external force, the conductor in the center of the photovoltaic cable is easy to damage, and the photovoltaic cable laid in some cities needs to be more important to age and tear, because once the cable is torn, fire is extremely likely to be caused, and great threat is brought to lives and properties of people.
Aiming at the technical problems, the utility model discloses a tearing-resistant and bending-resistant photovoltaic cable, which has the advantages of improving the tearing-resistant and bending-resistant performance of the cable, along with good ageing resistance and the like.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a tearing-resistant and bending-resistant photovoltaic cable; the cable has the advantages of improving the tearing resistance and bending resistance of the cable, along with better ageing resistance, wear resistance and the like, so as to solve the problems in the prior art.
The utility model is realized by the following technical scheme: the utility model discloses a tearing-resistant and bending-resistant photovoltaic cable, which comprises a cable core and a composite sheath arranged outside the cable core, wherein the cable core comprises four insulating wire cores, an anti-bending filling core arranged in the center of the four wire cores, and a mineral filler layer filled and wrapped outside the four insulating wire cores, the insulating wire cores comprise conductors, a shielding layer and an insulating layer which are extruded outside the conductors, and the composite sheath comprises an inner liner layer, a compression-resistant steel tape armor layer, a metal braiding layer, a wear-resistant layer, a tensile layer, a fiber braiding layer and an outer sheath layer which are sequentially wrapped outside the mineral filler layer from inside to outside.
Furthermore, in order to enable the tensile layer to have special properties such as higher breaking strength, lower breaking elongation and the like, the tensile layer can be made of high-strength aramid yarns, galvanized aviation steel wires or Kevlar bulletproof wires.
Further, in order to make the metal braid have magnetic field shielding, electromagnetic interference shielding, shielding for eliminating the surface potential of the power cable, mechanical protection and bearing the longitudinal breaking force, the metal braid mainly comprises copper wires and steel wires.
Furthermore, in order to prevent the insulation from being corroded by various light, heat, moisture, low temperature, acid-base gas and the like and the damage of external mechanical force due to the arrangement of the fiber woven layer, the safe operation of the electric wire is ensured, and the fiber woven layer adopts a rubber protective layer with cotton yarn or cotton-fibrilia woven layer added in the middle.
Further, in order to have excellent rebound resilience and fatigue resistance, the wear-resistant layer is woven from polyamide fibers.
Furthermore, in order to ensure that the insulating layer has better insulativity and protective strength, the insulating layer is a ceramic polyolefin layer.
Further, in order to have better thermal stability and chemical stability, the outer sheath layer is a crosslinked polyolefin sheath.
The utility model has the following advantages:
() The anti-bending filling core is arranged in the center of the cable, so that the bending resistance of the cable can be enhanced, and the problems of short circuit and damage of an inner protective core layer caused by repeated bending of the cable can be solved, and the service life of the cable is reduced or the cable cannot be used; the mineral filler layer and the insulating layer can improve the fire resistance of the whole cable, the insulating layer is a ceramic polyolefin layer, the ceramic polyolefin material has excellent insulating property, ageing resistance, arc resistance, ablation resistance, high and low temperature resistance and the like, and can be hardened and converted into ceramic shape in a high-temperature environment or in a short time when burnt, so that the cable has certain strength, meets the design requirement of the current photovoltaic cable, and the outer sheath layer is a crosslinked polyolefin sheath with higher strength, corrosion resistance, wear resistance, ageing resistance and other excellent properties.
() The fiber braiding layer is made of the rubber sheath with the cotton yarn or the cotton-flax fiber braiding layer added in the middle, the fiber braiding layer is arranged to protect insulation from being corroded by various light, heat, moisture, low temperature, acid-base gas and the like and is less damaged by external mechanical force, safe operation of an electric wire is ensured, the wear-resistant layer is made of polyamide fibers in a braiding mode, the wear resistance of the polyamide fibers is higher than that of all other fibers, in addition, the wear-resistant layer is high in breaking strength, rebound resilience and fatigue resistance, the metal braiding layer mainly comprises copper wires and steel wires, the metal braiding layer has magnetic field shielding, electromagnetic interference shielding effect, shielding effect of eliminating surface potential of an electric cable, mechanical protection effect and longitudinal tensile breaking force bearing, and the fiber braiding layer, the metal braiding layer and the wear-resistant layer enable the cable to have tear resistance.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is a schematic view of the composite sheath structure of the present utility model.
In the figure: 1. a cable core; 2. a composite sheath; 3. an insulated wire core; 4. a conductor; 5. a shielding layer; 6. an insulating layer; 7. an inner liner layer; 8. a compression-resistant steel tape armor layer; 9. a metal braid; 10. a wear-resistant layer; 11. a tensile layer; 12. a fibrous braid; 13. an outer sheath layer; 14. a mineral filler layer; 15. the buckling resistant filler core.
Detailed Description
The following detailed description of embodiments of the present utility model, which are given by taking the technical solution of the present utility model as a premise, gives detailed embodiments and specific operation procedures, but the scope of the present utility model is not limited to the following embodiments, and in the description of the present utility model, words indicating orientation or positional relationship like "front", "rear", "left", "right", etc. are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The utility model provides a technical scheme that: the utility model provides a photovoltaic cable of resistant tearing resistant buckling, as shown in fig. 1 and 2, including cable core 1 and set up the compound sheath 2 outside cable core 1, cable core 1 includes four insulation core 3 and establishes at the anti packing core 15 of buckling of four core centers, the packing parcel has been 14 outside four insulation core 3, insulation core 3 includes conductor 4, crowded shielding layer 5 and insulating layer 6 of packing outside conductor 4, compound sheath 2 includes from inside to outside parcel lining 7 outside mineral packing layer 14 in proper order, resistance to compression steel tape armor 8, metal weaving layer 9, wearing layer 10, tensile layer 11, fibre weaving layer 12 and oversheath layer 13.
As shown in fig. 1 and 2, the tensile layer 11 may be made of high-strength aramid yarn, galvanized aviation steel wire, or kevlar bulletproof wire, so that the tensile layer 11 has special properties such as higher breaking strength and lower breaking elongation.
As shown in fig. 1 and 2, the metal braid 9 mainly comprises copper wires and steel wires, so that the metal braid 9 has magnetic field shielding, electromagnetic interference shielding, shielding for eliminating the surface potential of the power cable, mechanical protection and longitudinal breaking force.
As shown in fig. 1 and 2, the fiber braid 12 adopts a rubber sheath with a cotton yarn or a cotton-fibrilia braid added in the middle, and the arrangement of the fiber braid 12 protects insulation from or is less damaged by various kinds of corrosion caused by light, heat, moisture, low temperature, acid-base gas and the like and external mechanical force, so that safe operation of the electric wire is ensured.
As shown in fig. 1 and 2, the wear-resistant layer 10 is woven from polyamide fibers, which have wear resistance higher than all other fibers, and also have high breaking strength and excellent rebound resilience and fatigue resistance.
As shown in fig. 1 and 2, the insulating layer 6 is a ceramic polyolefin layer, and the ceramic polyolefin material has excellent insulating property, ageing resistance, arc resistance, ablation resistance, high and low temperature resistance and the like, and can be hardened and converted into ceramic shape in a short time in a high temperature environment or when burned, has certain strength, and meets the design requirement of the current photovoltaic cable.
As shown in fig. 1 and 2, the outer sheath layer 13 is a crosslinked polyolefin sheath, which has superior properties of higher strength, corrosion resistance, abrasion resistance, aging resistance, and the like, and in addition, has better thermal stability and chemical stability.
The principle of the utility model is as follows: the cable core 1 and the composite sheath 2 arranged outside the cable core 1, the cable core 1 comprises four insulating wire cores 3, an anti-bending filling core 15 arranged in the center of the four wire cores, and a mineral filler layer 14 filled and wrapped outside the four insulating wire cores 3, the insulating wire cores 3 comprise conductors 4, a shielding layer 5 and an insulating layer 6 which are extruded outside the conductors 4, the insulating layer 6 is a ceramic polyolefin layer, the ceramic polyolefin material has excellent insulating property, ageing resistance, arc resistance, ablation resistance, high and low temperature resistance and the like, and can be hardened and converted into ceramic shape in a short time in a high temperature environment or when burnt, has certain strength, the composite sheath 2 meets the design requirements of the current photovoltaic cable, and comprises an inner liner 7, a compression-resistant steel tape armor layer 8, a metal braiding layer 9, a wear-resistant layer 10, a tensile layer 11, a fiber braiding layer 12 and an outer sheath layer 13 which are sequentially wrapped outside a mineral filler layer 14 from inside to outside, wherein the metal braiding layer 9 mainly comprises copper wires and steel wires, so that the metal braiding layer 9 has magnetic field shielding, electromagnetic interference shielding effect, shielding effect of eliminating the surface potential of the power cable, mechanical protection effect and longitudinal tensile breaking force bearing, the wear-resistant layer 10 is formed by braiding polyamide fibers, and the wear resistance of the polyamide fibers is higher than that of all other fibers, and in addition, the fracture strength of the polyamide fibers is higher; the elastic resilience and fatigue resistance are excellent, the tensile layer 11 can adopt high-strength aramid yarns, galvanized aviation steel wires or Kevlar bulletproof wires, so that the tensile layer 11 has special performances of higher breaking strength, lower breaking elongation and the like, the fiber braiding layer 12 adopts a rubber sheath with cotton yarns or cotton-hemp fiber braiding layers added in the middle, the arrangement of the fiber braiding layer 12 protects insulation from or is less damaged by various types of corrosion of light, heat, moisture, low temperature, acid-base gas and the like and external mechanical force, the safe operation of the electric wire is ensured, the outer sheath layer 13 is a crosslinked polyolefin sheath, and the crosslinked polyolefin has excellent performances of higher strength, corrosion resistance, wear resistance, aging resistance and the like, and in addition, the crosslinked polyolefin has better thermal stability and chemical stability.
Claims (6)
1. The utility model provides a photovoltaic cable of resistant bending of tearing, its characterized in that includes the cable core and sets up the compound sheath outside the cable core, the cable core includes four insulation core and establishes at the anti packing core of buckling of four core centers, pack the mineral packing layer of parcel outside four insulation core, insulation core includes the conductor, crowds package shielding layer and insulating layer outside the conductor, compound sheath includes from interior to outside parcel in proper order outside the mineral packing layer inner liner, resistance to compression steel tape armor, metal weaving layer, wearing layer, tensile layer, fibre weaving layer and oversheath layer.
2. The photovoltaic cable of claim 1, wherein the tensile layer is a high strength aramid yarn, or a galvanized air wire, or a kevlar ballistic wire.
3. The photovoltaic cable of claim 1 wherein the metal braid comprises primarily copper and steel wires.
4. The tear-resistant and bending-resistant photovoltaic cable of claim 1, wherein the abrasion-resistant layer is woven from polyamide fibers.
5. A tear and bend resistant photovoltaic cable according to claim 1 wherein the insulating layer is a ceramic polyolefin layer.
6. The tear-resistant and bend-resistant photovoltaic cable of claim 1, wherein the outer jacket layer is a crosslinked polyolefin jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538791.0U CN221281789U (en) | 2023-09-18 | 2023-09-18 | Tearing-resistant bending-resistant photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538791.0U CN221281789U (en) | 2023-09-18 | 2023-09-18 | Tearing-resistant bending-resistant photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221281789U true CN221281789U (en) | 2024-07-05 |
Family
ID=91704113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322538791.0U Active CN221281789U (en) | 2023-09-18 | 2023-09-18 | Tearing-resistant bending-resistant photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221281789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119626678A (en) * | 2024-12-23 | 2025-03-14 | 江苏江扬特种电缆有限公司 | Manufacturing method of airtight cable for ship |
-
2023
- 2023-09-18 CN CN202322538791.0U patent/CN221281789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119626678A (en) * | 2024-12-23 | 2025-03-14 | 江苏江扬特种电缆有限公司 | Manufacturing method of airtight cable for ship |
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